Alexandru Vasiu
Senior Data Engineer
Cluj-Napoca, Cluj, Romania
Summary
👤
Senior🎓
Top SchoolAlexandru Vasiu is a Senior Data Engineer with a decade of experience designing scalable distributed systems and delivering cost-efficient data platforms across cloud environments. He is expert in Apache Flink and Spark (Scala/PySpark), Kafka, Databricks, and lakehouse technologies like Apache Iceberg and Paimon, and has led complex migrations such as EMR→Databricks and Spark 2→3 upgrades. Alexandru combines hands-on engineering with infrastructure-as-code (Terraform, Kubernetes) to build reliable, GDPR-compliant pipelines and real-time analytics used by product and ML teams. He has a track record of driving measurable cost reductions, improving operability with Airflow/Dagster, and mentoring engineers to raise cross-team technical standards. An active contributor to SaltStack maintenance and release stability on GitHub, he blends production-grade DevOps practices with data engineering expertise. Based in Cluj-Napoca, he holds an MSc in Artificial Intelligence and often bridges the gap between research-minded solutions and pragmatic, production-ready systems.
10 years of coding experience
9 years of employment as a software developer
Bachelor Degree, Computer Science, Bachelor Degree, Computer Science at Bábes Bolyai UniversityAlgorithms & AI, Unix, Computer Graphics, Cyber Security, Web, Algorithms & AI, Unix, Computer Graphics, Cyber Security, Web at Academy+PlusBacalaureat, Mathematics and Computer Science, Bacalaureat, Mathematics and Computer Science at Gheorghe Lazar High-School SibiuMaster's degree, Artificial Intelligence, Master's degree, Artificial Intelligence at Babeș-Bolyai University
English
Stackoverflow
113reputation
28kreached
2answers
9questions
Github Skills (13)
git10
configuration-management10
release-management10
automation9
infrastructure-as-code9
documentation8
python8
cloud-manager7
cicd7
wordpress6
wp-api6
dynamic-programming6
gcc6
Programming languages (5)
Github contributions (5)
saltstack/salt
Feb 2018 - Jun 2018
Software to automate the management and configuration of any infrastructure or application at scale. Install Salt from the Salt package repositories here:
Role in this project:
DevOps Engineer
DevOps EngineerContributions:5 commits, 13 PRs, 33 comments in 4 months
Contributions summary:Alexandru's commits primarily involve merging branches, suggesting a role in integrating changes. A significant portion of the changes are focused on updating release notes and man pages. Furthermore, the commits show backporting changes and fixing tests, indicating a responsibility for ensuring the stability and proper function of the software releases. These activities are characteristic of DevOps tasks within a software development lifecycle.
pythonzeromqevent-streaminfrastructure-managementcloud-providers
alexvasiu/Graphical-Calculator
Oct 2015 - Jul 2018
Contributions:1 release, 5 pushes, 1 branch in 2 years 9 months
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